package com.itheima.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

//@WebFilter(urlPatterns = "/*")
public class DemoFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("执行了初始化");
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        System.out.println("拦截了请求");
        chain.doFilter(request,response);
    }

    @Override
    public void destroy() {
        System.out.println("销毁方法执行了");
    }
}
